Cita APA

Ullman, J. D. (1995). Principles of database systems (2.). Galgotia Publications.

Citación estilo Chicago

Ullman, Jeffrey D. Principles of Database Systems. 2. New Delhi: Galgotia Publications, 1995.

Cita MLA

Ullman, Jeffrey D. Principles of Database Systems. 2. Galgotia Publications, 1995.